Last month, Warren Buffett disclosed a $5.5 billion investment in four airlines: American, Delta, United and Southwest. Three show share price declines this year.
The Oracle of Omaha has bought big stakes in four airline companies. But is this turnaround play packed with more potential?
Warren Buffet's big investment in airlines didn't include the industry's turnaround story.
The company is also expected to increase the number of flights on 15 of its existing routes.